<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>my css</title>
    <style>
        h1 {
            color: orangered;
        }
        body {
            color: darkblue;
        }
        p {
            font-weight: bold;
            color: darkcyan;
        }
        * {
            text-decoration: underline;
        }
    </style>
    <link rel="stylesheet" href="mycss.css">
</head>
<body>
<h1 style="text-align: center">
    达内云计算 Cloud Computing
</h1>
<p>达内云计算 Cloud Computing</p>
<div>达内云计算 Cloud Computing</div>
</body>
</html>